Pérez Blanco, F.J. 2021. New doctrine of the Supreme Court on the assessment of professional experience for the services provided in mutual collaborators with Social Security: Judgment of the contentious-administrative chamber of the Supreme Court of May 26, 2020. Journal of Labor and Social Security Legal Studies (REJLSS). 2 (Apr. 2021), 223–242. DOI:https://doi.org/10.24310/rejlss.vi2.12452.